Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual classe era a 2ª - portillo?
 ###Tabelas: CREATE TABLE career_results (career_results_id AUTO_INCREMENT PRIMARY KEY, Result VARCHAR, Date VARCHAR, Race VARCHAR, Venue VARCHAR, Distance VARCHAR, Class VARCHAR, Weight (kg) VARCHAR, Time VARCHAR, Jockey VARCHAR, Odds VARCHAR, Winner/2nd VARCHAR) CREATE TABLE week_5:_august_6_and_7_2008 (week_5:_august_6_and_7_2008_id AUTO_INCREMENT PRIMARY KEY, Main contestant VARCHAR, Co-contestant (Yaar vs. Pyaar) VARCHAR, Date performed VARCHAR, Scores by each individual judge VARCHAR, Total score/week VARCHAR, Position VARCHAR, Status VARCHAR) CREATE TABLE starters_for_2_different_teams (starters_for_2_different_teams_id AUTO_INCREMENT PRIMARY KEY, Quarterback VARCHAR, Games INT, Teams VARCHAR, Wins INT, Losses INT, Percent INT) CREATE TABLE otorohanga_district (otorohanga_district_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Years VARCHAR, Gender VARCHAR, Area VARCHAR, Authority VARCHAR, Decile INT, Roll INT) CREATE TABLE competition_record (competition_record_id AUTO_INCREMENT PRIMARY KEY, Year INT, Competition VARCHAR, Venue VARCHAR, Position VARCHAR, Notes VARCHAR)  
SELECT Class FROM career_results WHERE Winner/2nd = 2nd - Portillo